We've been waiting on pins and needles for Google to announce some official Android tablet plans for so long we'd almost forgotten about Mountain View's other operating system -- but from what we're hearing, Chrome OS is about to jump to center stage with a tablet debut on Verizon just before the holidays. Our friends at Download Squad are told by a reliable tipster that HTC is building a Tegra 2-based Chrome OS tablet for Google with a 1280 x 720 multitouch display, 2GB of RAM, at least 32GB of storage